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5.4.4.9 VCV – Volume Controlled Ventilation

In the VCV mode the ventilation is controlled by the Vivo 45 LS. This is done with the

preset tidal volume, breath rate, inspiratory time, and rise time settings set by the

operator.

The inspiration stops and an expiration starts in two cases:

• The inspiratory time expires.

• The limit for the high pressure alarm is reached.

5.4.4.10 VCV(A) – Assisted Volume Controlled Ventilation

In the VCV(A) mode the ventilation is controlled by the Vivo 45 LS, but the patient has

the possibility to start a breath through the inspiratory trigger. This patient triggered

breath will be delivered with the inspiratory time, rise time and tidal volume setting set

by the operator.

5.4.4.11 VCV-SIMV – Volume Controlled Ventilation with Synchronized

Intermittent Mandatory Ventilation

In the VCV-SIMV mode, the Vivo 45 LS synchronizes mandatory volume-controlled

breaths with the patient’s breathing efforts.

In this mode, the ventilator delivers mandatory volume-controlled breaths with a preset

breath frequency defined as the SIMV Rate. The SIMV Rate setting determines the

length of the SIMV cycle.

For each SIMV cycle, there is an initial mandatory period in which the patient may trig-

ger one mandatory breath. This mandatory period is always 80% of the SIMV cycle time.

If the patient does not trigger a breath during this period, the ventilator will deliver one

mandatory breath automatically in the end of the period.

Between the mandatory breaths, the patient may trigger spontaneous breaths until the

next SIMV cycle begins. The ventilator will respond to the patient’s inspiration efforts

with additional pressure support breaths. The inspiratory pressure of these support

breaths is defined by the SIMV Support Pressure, together with the settings for Rise

Time and Expiratory Trigger. The default value for SIMV Support Pressure is the

Inspiratory pressure set in PCV or PSV.

After a mandatory breath, Vivo 45 LS will always wait at least one second before a new

mandatory breath can be initiated in the following SIMV cycle.

5.4.4.12 VCV-MPV– Volume Controlled Ventilation with Mouth-Piece Ventilation

The VCV-MPV mode is tailored specifically for those patients that use a mouthpiece

interface together with volume controlled ventilation.

Mouthpiece ventilation is intended for adult patients who are able to initiate breaths

with the mouthpiece circuit.

How to Use the Vivo 45 LS

Doc. 007301 K-1 User manual

Breas Vivo 45 LS User Manual

Other manuals for Breas Vivo 45 LS